Technical Information

Brief overview of the risk:
A denial of service vulnerability exists in the remote procedure call (RPC) facility due to a failure in communicating with the NTLM security provider when performing authentication of RPC requests.
Detailed Information on the risk:
An anonymous attacker could exploit the vulnerability by sending a specially crafted RPC authentication request to a computer over the network. An attacker who successfully exploited this vulnerability could cause the computer to stop responding and automatically restart.Further information on this exploit is available at : MS07-058